CN213391952U - Crawling ladder entering storage tank - Google Patents
Crawling ladder entering storage tank Download PDFInfo
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- CN213391952U CN213391952U CN202021839936.0U CN202021839936U CN213391952U CN 213391952 U CN213391952 U CN 213391952U CN 202021839936 U CN202021839936 U CN 202021839936U CN 213391952 U CN213391952 U CN 213391952U
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Abstract
The utility model relates to a get into cat ladder in storage tank, including first festival vertical ladder, second festival vertical ladder and third festival vertical ladder, the bottom of first festival vertical ladder is articulated with the bottom of second festival vertical ladder, the top of second festival vertical ladder is articulated with the top of third festival vertical ladder, the perpendicular roof beam of first festival vertical ladder sets up and open-top for cavity, and its inside extension bar that pegs graft for adjust the height of first festival vertical ladder, the perpendicular roof beam lateral wall of second festival vertical ladder and third festival vertical ladder all articulates through the round pin axle has the locking pole, two the locking pole is articulated through the round pin axle. The utility model discloses a length of first section vertical ladder can stretch out and draw back and highly adjust as required maintenance, is applicable to the maintenance at the position deeper in the storage tank, sets up through the cooperation of second section vertical ladder, third section vertical ladder and lock pole, has improved the stability of whole cat ladder structure, increases the security, and can overhaul the storage tank opposite side very conveniently, improves maintenance efficiency.
Description
Technical Field
The utility model belongs to the technical field of manhole overhauls, concretely relates to cat ladder that gets into in storage tank.
Background
At the storage tank, reation kettle, generally all be provided with the manhole on equipment such as downcomer, a pore that often has the lid promptly, the staff can get into from this hole and overhaul its inside, generally adopt the cat ladder at the entering manhole in-process, at first hang the top of cat ladder at manhole top edge, the staff slowly moves the height that needs the maintenance in the storage tank along the cat ladder, but the cat ladder that uses all is the vertical ladder of fixed length basically, can not adapt to the maintenance at the position deeper position in the jar, and can not conveniently carry out all-round maintenance to the storage tank in, in addition, the cat ladder has directly hung the manhole edge, rock easily at the operation in-process, the security is low, influence the operation process simultaneously.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art and providing a ladder stand which can stretch out and draw back, is more stable and safe and is more convenient to use and enters into a storage tank.
The utility model adopts the technical proposal that: the utility model provides a get into cat ladder in storage tank, includes first festival vertical ladder, second festival vertical ladder and third festival vertical ladder, the bottom of first festival vertical ladder is articulated with the bottom of second festival vertical ladder, the top of second festival vertical ladder is articulated with the top of third festival vertical ladder, the perpendicular roof beam of first festival vertical ladder sets up and the top opening for cavity, and its inside extension bar that pegs graft for adjust the height of first festival vertical ladder, the perpendicular roof beam lateral wall of second festival vertical ladder and third festival vertical ladder all articulates through the round pin axle has the locking pole, two the locking pole is articulated through the round pin axle.
Preferably, the vertical beam side wall of the first section of the straight ladder is provided with a plurality of through holes at equal intervals, the side wall of the extension rod is provided with a plurality of bolt holes at equal intervals, the bolt holes correspond to the through holes one to one, and the first section of the straight ladder is fixed with the extension rod through bolts.
Preferably, the two side walls of the first straight ladder are fixedly connected with telescopic rods, each telescopic rod comprises a fixed rod and a movable rod, the fixed rods are fixedly connected with the side walls of the first straight ladder, one end, far away from the first straight ladder, of each fixed rod is provided with a threaded channel, and each movable rod is inserted into the corresponding threaded channel and is in threaded connection with the corresponding fixed rod.
Preferably, the two locking rods are respectively hinged with the middle parts of the second section of straight ladder and the third section of straight ladder.
Preferably, the top of the extension bar is provided with a hook.
Preferably, the second straight ladder and the third straight ladder have the same length.
The utility model has the advantages that:
1. the utility model discloses an extension bar that can extend is set up in the inside grafting of first section vertical ladder, makes the length of first section vertical ladder can stretch out and draw back and highly adjust as required the maintenance to be applicable to the maintenance at the darker position in the storage tank, increased the scope of overhaul.
2. Through the second section vertical ladder, the cooperation setting of third section vertical ladder and lock pole, can pass through the lock pole with second section vertical ladder and third section vertical ladder and fix in the storage tank bottom, increased the area of contact with the bottom surface, make whole cat ladder structure more stable, setting through the telescopic link, can extend the back and support both sides in the storage tank, prevent that the cat ladder side direction from rocking, the stability of whole cat ladder structure has further been improved, be difficult for rocking at the operation in-process, increase the security, and can overhaul the storage tank opposite side very conveniently, and the maintenance efficiency is improved.
Drawings
Fig. 1 is a schematic side view of the present invention;
fig. 2 is a schematic sectional structure view of the first section of straight ladder of the present invention;
fig. 3 is a side view of the expanded structure of the present invention;
fig. 4 is a schematic view of an unfolding structure of the telescopic rod in embodiment 2.
In the figure: 1. first section vertical ladder 2, second section vertical ladder 3, third section vertical ladder 4, extension bar 5, round pin axle 6, locking pole 7, through-hole 8, bolt hole 9, bolt 10, telescopic link 101, dead lever 102, movable rod 11, couple.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention, and are specifically described below with reference to the embodiments.
Example 1
As shown in fig. 1-3, a ladder that gets into storage tank, including first section vertical ladder 1, second section vertical ladder 2 and third section vertical ladder 3, the bottom of first section vertical ladder 1 is articulated with the bottom of second section vertical ladder 2, the top of second section vertical ladder 2 is articulated with the top of third section vertical ladder 3, the perpendicular roof beam of first section vertical ladder 1 is cavity setting and open-ended in the top, and its inside is pegged graft and is had extension bar 4 for adjust the height of first section vertical ladder 1, the perpendicular roof beam lateral wall of second section vertical ladder 2 and third section vertical ladder 3 all articulates through round pin axle 5 has locking pole 6, two locking pole 6 is articulated through round pin axle 5.
When using, at first overhaul the height as required and extend the length of needs with extension bar 4, fix it with bolt 9, put folding cat ladder in the storage tank, couple 11 is hung and is supported fixedly at the manhole edge, expandes second festival vertical ladder 2 and third section vertical ladder 3, extends to the maximum length with two lock levers 6 and can realize the fixed of second festival vertical ladder 2 and third section vertical ladder 3, the utility model discloses a whole cat ladder structure can stretch out and draw back, and the security is high, and it is more convenient to use, can accelerate the maintenance process simultaneously.
Example 2
As shown in fig. 1-3, a ladder that gets into storage tank, including first section vertical ladder 1, second section vertical ladder 2 and third section vertical ladder 3, the bottom of first section vertical ladder 1 is articulated with the bottom of second section vertical ladder 2, the top of second section vertical ladder 2 is articulated with the top of third section vertical ladder 3, the perpendicular roof beam of first section vertical ladder 1 is cavity setting and open-ended in the top, and its inside is pegged graft and is had extension bar 4 for adjust the height of first section vertical ladder 1, the perpendicular roof beam lateral wall of second section vertical ladder 2 and third section vertical ladder 3 all articulates through round pin axle 5 has locking pole 6, two locking pole 6 is articulated through round pin axle 5.
For better effect, the equidistant a plurality of through-holes 7 that are provided with of perpendicular roof beam lateral wall of first festival vertical ladder 1, the equidistant a plurality of bolt holes 8 that are provided with of lateral wall of extension bar 4, bolt hole 8 and through-hole 7 one-to-one, first festival vertical ladder 1 is fixed through bolt 9 with extension bar 4, and with bolt 9 fixed when pulling out the length that extension bar 4 needs, also can adopt cylinder telescopic link or hydraulic telescoping rod etc. in order to realize extension effect of extension bar 4.
For better effect, as shown in fig. 4, a telescopic rod 10 is fixedly connected to both side walls of the first section of straight ladder 1, the telescopic rod 10 includes a fixed rod 101 and a movable rod 102, the fixed rod 101 is fixedly connected to the side walls of the first section of straight ladder 1, a threaded passage is formed in one end of the fixed rod 101, which is far away from the first section of straight ladder 1, the movable rod 102 is inserted into the threaded passage and is in threaded connection with the fixed rod 101, and the length adjustment of the telescopic rod 10 can be realized by directly rotating the movable rod 102.
For better effect, two locking pole 6 is articulated with the middle part of second festival vertical ladder 2 and third festival vertical ladder 3 respectively, and locking pole 6 is provided with two sets of both sides that are located the cat ladder respectively, makes the structure of second festival vertical ladder 2 and third festival vertical ladder 3 more stable.
For better effect, the top of the extension bar 4 is provided with a hook 11 for hanging on the manhole edge for fixing.
For better effect, the second section straight ladder 2 and the third section straight ladder 3 have the same length and can be placed inside the storage tank more stably.
When using, at first overhaul the height as required and extend the length of needs with extension bar 4, it is fixed with it with bolt 9, put folding cat ladder in the storage tank, couple 11 is hung and is supported fixedly at the manhole edge, expand second festival vertical ladder 2 and third section vertical ladder 3, extend two locking poles 6 to the maximum length can realize that second festival vertical ladder 2 and third section vertical ladder 3's is fixed, through the telescopic link 10 structure that increases, rotate movable rod 102 and extend, make two telescopic links 10 support at the inside both sides wall of storage tank, the side direction of having avoided the cat ladder rocks, the utility model discloses a whole cat ladder structure can stretch out and draw back, and the security is high, and it is more convenient to use, can accelerate the maintenance process simultaneously.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a cat ladder in entering storage tank which characterized in that: including first festival vertical ladder, second festival vertical ladder and third festival vertical ladder, the bottom of first festival vertical ladder is articulated with the bottom of second festival vertical ladder, the top of second festival vertical ladder is articulated with the top of third festival vertical ladder, the perpendicular roof beam of first festival vertical ladder sets up and top opening for cavity, and its inside is pegged graft and is had the extension bar for adjust the height of first festival vertical ladder, the perpendicular roof beam lateral wall of second festival vertical ladder and third festival vertical ladder all articulates through the round pin axle has the locking pole, two the locking pole is articulated through the round pin axle.
2. A ladder into a tank as claimed in claim 1 wherein: the equal interval of perpendicular roof beam lateral wall of first festival vertical ladder is provided with a plurality of through-holes, the equal interval of lateral wall of extension bar is provided with a plurality of bolt holes, bolt hole and through-hole one-to-one, first festival vertical ladder is fixed through the bolt with the extension bar.
3. A ladder into a tank as claimed in claim 1 wherein: the telescopic rod is fixedly connected to two side walls of the first straight ladder, the telescopic rod comprises a fixed rod and a movable rod, the fixed rod is fixedly connected with the side walls of the first straight ladder, one end, far away from the first straight ladder, of the fixed rod is provided with a threaded channel, and the movable rod is inserted into the threaded channel and is in threaded connection with the fixed rod.
4. A ladder into a tank as claimed in claim 1 wherein: the locking rod is hinged with the middle parts of the second section of straight ladder and the third section of straight ladder.
5. A ladder into a tank as claimed in claim 1 wherein: the top of the extension bar is provided with a hook.
6. A ladder into a tank as claimed in claim 1 wherein: the second section of straight ladder is the same as the third section of straight ladder in length.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021839936.0U CN213391952U (en) | 2020-08-28 | 2020-08-28 | Crawling ladder entering storage tank |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021839936.0U CN213391952U (en) | 2020-08-28 | 2020-08-28 | Crawling ladder entering storage tank |
Publications (1)
Publication Number | Publication Date |
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CN213391952U true CN213391952U (en) | 2021-06-08 |
Family
ID=76212984
Family Applications (1)
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CN202021839936.0U Active CN213391952U (en) | 2020-08-28 | 2020-08-28 | Crawling ladder entering storage tank |
Country Status (1)
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CN (1) | CN213391952U (en) |
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2020
- 2020-08-28 CN CN202021839936.0U patent/CN213391952U/en active Active
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